Perles en obsidienne dorée, forme diamant entre 6 et 12mm tilleul Mookaite jasper would correspond to

Mookaite jasper would correspond to a silicified type of radiolarite whose silification is located between opaline and chalcedony

Forme: Rectangle

Weight: Approx 18g

Polariscope: Anisotrope

orangé et / ou noir

Perles en obsidienne dorée, forme diamant entre 6 et 12mm tilleul Mookaite jasper would correspond toGolden obsidian beads, diamond shape. Color: Black with a golden shiny effect Sizes between 6 and 12mm Country of origin: Mexico Gemological information about golden obsidian: Density: between 2. 25 and 2. 40 Hardness: between 5 and 5. 5 Crystal system: Amorphous Fracture: Conchoidal Cleavage: None Polariscope: Isotropic Refractive index: 1. 480 to 1. 500 Birefringence: None Chelsea Filter: No modification Spectrum: Not observable not diagnostic